Home / 193,664,007.20-290,496,010.80-178,883,386.40

Finding the Fourth Proportional to 193,664,007.20, 290,496,010.80 and 178,883,386.40

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Solution

The fourth proportional to 193,664,007.20, 290,496,010.80 and 178,883,386.40 is: 268,325,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,664,007.20 : 290,496,010.80 = 178,883,386.40 : x
  2. Step 2: Convert to fraction form
    193,664,007.20/290,496,010.80 = 178,883,386.40/x
  3. Step 3: Cross multiply
    193,664,007.20x = 290,496,010.80 × 178,883,386.40
  4. Step 4: Simplify right side
    193,664,007.20x = 51,964,910,147,594,976
  5. Step 5: Solve for x
    x = 51,964,910,147,594,976/193,664,007.20
  6. Step 6: Final answer
    x = 268,325,079.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.